Excessive timing chain noise, a rattling or ticking, on higher mileage cars may lead to timing chain failure, which can cause engine damage. There are upgraded chain tension guides with a steel backing to improve durability and a modified repair procedure no longer requires the removal of the cylinder head to replace the timing chain. Maintaining proper engine oil level and frequent oil changes are important to ensure the long-term durability of this engine.

could this be a bad EGR valve? I just completed a 300 mile trip, and it started running rough the last 20 miles, after climbing a long grade, 5,000 ft. from Phoenix to Flagstaff,AZ. It's a 1989 Nissan Sentra 1.6L.

it feels like if i was driving with frontwheel flat tire, but its not and i have 40psi for both wheels. i can feel it in my steering wheel either driving fast or slow. stabilizer is ok, what could be the problem? PLEASE HELP.

THE FRONT SAFETY BELT BUCKLE RELEASE BUTTONS CAN BREAK. THESE RED PLASTIC RELEASE BUTTONS ARE MARKED "PRESS." IF A BUTTON BREAKS, PIECES CAN FALL INTO THE BUCKLE ASSEMBLY CAUSING THE BUCKLE TO OPERATE IMPROPERLY.